sequence relay

Compared to conventional software design based on flow chart, the protection software is developed based on relay function module, which leads to the separation of time sequence and logic.

该方法摒弃了传统的基于流程图的设计思路，将软件的时序与逻辑分离，模块性好，结构清晰，软件的开发、维护方便。

Ability Analysis of Zero-Sequence Reactance Relay Against Transient Resistance

零序电抗继电器抗过渡电阻能力分析

Study on Zero sequence Reactance Relay

零序电抗继电器的研究

The analysis and calculation on system frequency changing, oscillating and symmetrical fault offers reference for choosing arithmetic of digital negative sequence unbalance output in relay protection.

分析计算这2种方法在系统频率变化和振荡以及三相故障时的负序不平衡输出，为数字式负序滤过器的算法选择和继电保护中负序不平衡量的定值整定提供依据。

A directional phase-selective element cooperated with the zero sequence reactance relay

配合于零序电抗继电器的方向性选相元件

Testing Method of Negative Sequence Load-flow Blocked Rotor Second Harmonic Turn-to-Turn Fault Protective Relay

负序功率方向闭锁转子二次谐波匝间保护的调试方法

A double lines distance relay based on the zero sequence components is presented.

提出了适用于平行双回线路的零序距离继电器新判据.

It mainly focuses on analysis and determining method of zero sequence power direction relay.

重点介绍零序功率方向继电器的分析及判定方法.

Establishment of a Novel Time Sequence Model of the Hybrid Automotive Relay

一种新型混合式汽车继电器时序模型的建立

Combining with zero sequence current with inverse time characteristics, grounding distance relay is used in earth protection for 220 kV and above lines, instead of phase zero sequence current protection.

在220kV及以上电压等级线路用接地距离保护代替阶段式零序电流保护，并辅之以具有反时限特性的零序电流作为接地保护。